The effect of welding condition on the fatigue life of the joints was analyzed.
分析了焊接工艺条件对接头疲劳强度的影响。
Temperature field and residual stress field of orthogonal structure under normal welding and in-service welding condition were simulated by FEM.
运用有限元方法对正交接管结构在常规焊接和在线焊接条件下的温度场和残余应力场进行了数值模拟。
Under the experiment's welding condition, WCX355 ultrafine grained steels didn't distinctly embrittle in CGHAZ and didn't soften in tempering zone either.
在试验的焊接条件下，WCX355超细晶钢在热影响粗晶区未有明显脆化，在回火区也未发生软化现象。
Thermal simulating technology was adopted to study grain size and the precipitates distribution of CGHAZ for X80 pipeline steel with different welding condition.
采用热模拟技术研究了X80管线钢在不同焊接热循环条件下晶粒及第二相粒子的变化。
The coarse primary ferrite appeared in weld metal, and coarse bainite appeared in heat-affected zone under larger heat input welding condition, which caused low...
在较大焊接热输入条件下焊接，焊缝金属产生粗大先共析铁素体、过热区产生粗大粒状贝氏体，焊接接头低温冲击韧性因此降低。
The welding condition and welding material of D406A steel were recommended after that; the mechanical properties and microhardness of welded joint were also tested.
介绍了D406A钢的焊接工艺和焊接材料，对焊接接头的力学性能和显微硬度进行了测试。
It is shown that under suitable welding condition, the alloy can be welded well by using TIG arc welding and the welding wire having the same composition as the alloy.
结果表明，在一定的焊接工艺条件下，使用钨极氩弧焊和与母材同质的焊丝，可以对ZA12材料进行有效的焊接。
Effects of the change of chemical content on welding processing property is observed in the same welding condition by changing the content of different element in the flux core.
保持药芯中合金成分不变，改变药芯填料不同组分的含量，在相同的焊接条件下，观察了药芯组分含量变化对焊接工艺性能的影响。
Introduces the feature of the narrow gap welding, and analyses how to determine the form of groove, screen out submerged-arc welding flux and choose welding condition in detail.
介绍了窄间隙焊的特点，对坡口形式的确定、埋弧焊剂的筛选、焊接工艺参数的选择进行了详细分析。
Due to changing welding condition caused by interference in TIG welding process, to improve the sensors and its control is two ways to promote accuracy of closed-loop control of welding quality.
对于焊接过程中常出现各种干扰，焊接条件时有变化的TIG自动焊而言，改进传感方法和控制技术是提高焊缝质量闭环控制系统控制效果的两大途径。
Test the condition of all the welding parts especially rope-break safety instrument and welding seam of suspension coop safety inserting block.
检查各焊接部位的情况特别是断绳安全装置和吊笼安全插块部位的焊缝情况。
This paper analysed and calculated the dynamic yielding strength of plastic deformed metal in the bonding zone of explosive welding composite material in the condition of explosive welding.
用比拟的方法分析和计算了爆炸焊接条件下，爆炸复合材料结合区中塑性变形金属的动态屈服强度值。
The welding thermal cycle and section dimensions of the welding seam were measured in the condition of the simulated welding process parameters for checking simulation results.
采用模拟时的焊接工艺参数进行钨极氩弧焊平板对接焊，测定焊接热循环曲线和焊缝截面尺寸，对模拟结果加以验证。
Testing results show that the major factors affecting the deposition efficiency are the welding current, arc voltage and gas flow rate under the condition of same circuit inductance.
试验结果表明，在回路电感值不变的条件下，焊接电流、电弧电压和气体流量是影响熔敷效率的主要因素。
To adopt milling machines to prepare strip edges and groove to give good condition for forming and welding of spiral submerged arc-welded pipe.
在螺旋焊管生产中采用铣边机铣削带钢边缘和坡口，为螺旋焊管成形、焊接创造了有利的条件。
Effectiveness of reducing welding distortion by trailing intensive cooling and the influence of heat - dissipating condition of the fixture on such effectiveness were studied.
研究了随焊激冷减小铝合金薄板焊接变形的效果及夹具的散热条件对该效果的影响。
Model of spatial surface can make robot automatically build model of welding and finish the manipulation of welding and grinding in condition of being taught by people limitedly.
空间曲面建模可以使焊接机器人在有限示教的条件下自动建立焊接模型并精确完成焊接和磨削操作。
Electrical insulation of welding machines shall be tested and certified to be in safe operating condition before machine is used.
在使用电焊机之前，要对焊机的绝缘进行测试和签定，确保其能在安全的条件下进行操作。
With the detailed repairing scheme, a dissimilar steel welding technique about 45 steel and 20 steel under the condition of temperature and sharp cooling is brought forward and gets success.
提出了在室温急冷的条件下，45钢与20钢异种钢焊接的工艺措施，并取得成功。
Deep penetration laser welding was performed at aluminum alloy LF3Y2 under hot and press condition.
对铝合金L F3Y 2搭接板进行了热压条件下激光深熔焊接。
The welding residual stress is very high in X70 steel, it is dangerous for the pipeline performance under corrosion condition, and necessary to be eliminated.
研究发现X70钢的焊接残余应力相当高，这对管线在腐蚀环境运行是相当危险的，需要消除。
Under the condition of this experiment, the wrought magnesium alloy AZ31B could be jointed successfully by YAG laser welding process and the joint strength was up to 95% of the based metal.
在本试验条件下采用YAG激光焊接工艺能够成功的实现变形镁合金az31b的连接，接头强度可达母材的95 %。
A tolerance curve of heat resistance for human being body under simple protective condition is obtained from experiment. The curve is used as a reference to determine the temperature of start welding.
经试验得出一条在简单防护条件下人体耐热曲线，将其作为确定始焊温度的参考；
Surfacing process test is made on Q235 steel substrate by shielded metal arc welding process using electrode CHR322 at different welding current condition.
前言：采用焊条电弧焊工艺方法，选用C HR322堆焊焊条在Q235钢基体上以不同的焊接电流进行了堆焊试验。
The zirconium-tungsten electrode boasts a fine performance in welding under the condition of AC.
锆钨电极在交流条件下，焊接性能良好。
A series of Al-Al explosive welding experiments were carried out to investigate the morphology characters of welding interface under the condition of different charge ratios.
对铝-铝同质金属爆炸焊接进行系列实验，研究不同装药比条件下焊接界面的变化特征。
As buying KH600 welding machine, engineers can analyze the present condition of factory, production efficiency and cost, optimize the former technology parameters, which obtain the good result.
工程技术人员根据本厂生产现状选用KH600型焊机，兼顾生产效率和成本，优化原有焊接工艺参数，取得了较好效果。
Do spot welding experiments to aluminum alloy plate in the same condition of simulation, prepare low magnification metallographic photos of joint, and measure nugget diameter and penetration rate.
采用与模拟一致的工艺参数对铝合金板材分别进行点焊实验，制取接头低倍金相照片，并测量熔核直径和焊透率。
Do spot welding experiments to aluminum alloy plate in the same condition of simulation, prepare low magnification metallographic photos of joint, and measure nugget diameter and penetration rate.
采用与模拟一致的工艺参数对铝合金板材分别进行点焊实验，制取接头低倍金相照片，并测量熔核直径和焊透率。
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